Specification	M2021B2B1W01-AT401S

Actuator Length	17.5 mm
Actuator Material	Chrome Plated, Brass
Actuator Type	Standard Round
Bushing Thread	M12 x 1
Bushing Thread Diameter	12 mm
Bushing Thread Pitch	1 mm
Circuit	DPST
Current Rating	4 A, 6 A
Electrical Life (Cycles)	25000
Illumination	Non-Illuminated
Mounting Type	Panel Mount
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-30 °C
Panel Cutout Diameter	12.5 mm
Panel Cutout Shape	Circular
Switch Function	On-Off
Termination Style	Solder Lug
Voltage Rating - AC	125 V
Voltage Rating - DC	30 V

M2021B2 Series

Part	Actuator Material	Electrical Life (Cycles)	Circuit	Actuator Length	Switch Function	Current Rating	Voltage Rating - DC	Bushing Thread Diameter	Bushing Thread	Bushing Thread Pitch	Actuator Type	Mounting Type	Operating Temperature (Max)	Operating Temperature (Min)	Termination Length	Termination Style	Voltage Rating - AC	Illumination	Panel Cutout Diameter	Panel Cutout Shape	Features	Ingress Protection Description	Ingress Protection IP Rating
NKK Switches M2021B2B1W02-VC-AT401S	Brass Chrome Plated	25000	DPST	17.5 mm	On-Off	4 A 6 A	30 V	12 mm	M12 x 1	1 mm	Standard Round with Cap	Panel Mount	85 °C	-30 °C	0.062 in	Quick Connect	125 V	Non-Illuminated	12.5 mm	Circular
NKK Switches M2021B2B1W02-VC	Brass Chrome Plated	25000	DPST	17.5 mm	On-Off	4 A 6 A	30 V	12 mm	M12 x 1	1 mm	Standard Round with Cap	Panel Mount	85 °C	-30 °C	0.062 in	Quick Connect	125 V	Non-Illuminated	12.5 mm	Circular	Red Cap
NKK Switches M2021B2B3W02-VC	Brass Chrome Plated	25000	DPST	17.5 mm	On-Off	4 A 6 A	30 V	12 mm	M12 x 1	1 mm	Standard Round with Cap	Panel Mount	85 °C	-30 °C	0.062 in	Quick Connect	125 V	Non-Illuminated	12.5 mm	Circular	Red Cap	Dust Tight Waterproof	IP67
NKK Switches M2021B2B1W02-VC-AT401H	Brass Chrome Plated	25000	DPST	17.5 mm	On-Off	4 A 6 A	30 V	12 mm	M12 x 1	1 mm	Standard Round with Cap	Panel Mount	85 °C	-30 °C	0.062 in	Quick Connect	125 V	Non-Illuminated	12.5 mm	Circular
NKK Switches M2021B2B1W02-VC-AT4181	Brass Chrome Plated	25000	DPST	17.5 mm	On-Off	4 A 6 A	30 V	12 mm	M12 x 1	1 mm	Standard Round with Cap	Panel Mount	85 °C	-30 °C	0.062 in	Quick Connect	125 V	Non-Illuminated	12.5 mm	Circular
NKK Switches M2021B2B1W01-AT401S	Brass Chrome Plated	25000	DPST	17.5 mm	On-Off	4 A 6 A	30 V	12 mm	M12 x 1	1 mm	Standard Round	Panel Mount	85 °C	-30 °C		Solder Lug	125 V	Non-Illuminated	12.5 mm	Circular
NKK Switches M2021B2B1W01-AT4181	Brass Chrome Plated	25000	DPST	17.5 mm	On-Off	4 A 6 A	30 V	12 mm	M12 x 1	1 mm	Standard Round	Panel Mount	85 °C	-30 °C		Solder Lug	125 V	Non-Illuminated	12.5 mm	Circular
NKK Switches M2021B2B1W01-AT401A	Brass Chrome Plated	25000	DPST	17.5 mm	On-Off	4 A 6 A	30 V	12 mm	M12 x 1	1 mm	Standard Round	Panel Mount	85 °C	-30 °C		Solder Lug	125 V	Non-Illuminated	12.5 mm	Circular
NKK Switches M2021B2B1W01	Brass Chrome Plated	25000	DPST	17.5 mm	On-Off	4 A 6 A	30 V	12 mm	M12 x 1	1 mm	Standard Round	Panel Mount	85 °C	-30 °C		Solder Lug	125 V	Non-Illuminated	12.5 mm	Circular	Epoxy Sealed Terminals
NKK Switches M2021B2B1W02-VC-AT401A	Brass Chrome Plated	25000	DPST	17.5 mm	On-Off	4 A 6 A	30 V	12 mm	M12 x 1	1 mm	Standard Round with Cap	Panel Mount	85 °C	-30 °C	0.062 in	Quick Connect	125 V	Non-Illuminated	12.5 mm	Circular

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Datasheet

M2021B2B1W01-AT401S | Datasheet